.tag_btn {
  position: fixed;
  width: 45px;
  height: 135px;
  color: white;
  background-color: #1296db;
  border-radius: 8px;
  right: 30px;
  top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
  text-align: center;
  z-index: 2;
}
.tag_btn p {
  margin: 10px 7px;
}
#mask {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: none;
  z-index: 10;
  transition: 0.5s;
}
#mask #close {
  float: right;
  display: inline-block;
  color: white;
  margin: -45px 50px 0 0;
  cursor: pointer;
}
#mask #close img {
  width: 30px;
}
#mask > div {
  position: fixed;
  width: 960px;
  height: 490px;
  border-radius: 12px;
  background-color: #f6f6f6;
  left: 50%;
  top: 50%;
  margin-top: -250px;
  transform: translateX(-50%);
  box-sizing: border-box;
}
#mask > div > p {
  line-height: 60px;
  padding-left: 10px;
  background: linear-gradient(to right, #1296db, #86c9e6);
  border-radius: 12px 12px 0 0;
}
#mask > div .count {
  list-style: none;
  display: flex;
  justify-content: space-evenly;
  width: 100%;
  margin-top: 30px;
  text-align: center;
}
#mask > div .count li {
  padding: 0 30px 80px 30px;
  background-color: white;
  box-shadow: 2px 2px 2px 2px #ececec;
}
#mask > div .count li > p {
  padding: 0 60px;
  line-height: 60px;
  border-bottom: 1px solid #ececec;
}
#mask > div .count li a {
  display: block;
  margin-top: 20px;
  text-decoration: none;
  color: #1296db;
  cursor: pointer;
}
#mask > div .count li a img {
  height: 48px;
}
#mask > div .count :nth-child(2) > div {
  display: flex;
  color: black;
  margin-top: 30px;
}
#mask > div .count :nth-child(2) > div img {
  width: 30px;
  height: 30px;
  object-fit: fill;
}
#mask > div .count :nth-child(2) > div p {
  line-height: 30px;
  margin-left: 10px;
}
main .banner {
  position: relative;
}
main .banner img {
  width: 100%;
  height: 560px;
  object-fit: cover;
}
main .banner .cout_box {
  position: absolute;
  left: 165px;
  top: 230px;
  line-height: 50px;
  color: white;
}
main .banner .cout_box a {
  margin-top: 60px;
  display: block;
  text-align: center;
  line-height: 50px;
  width: 160px;
  height: 50px;
  background-color: #1296db;
  border-radius: 4px;
  text-decoration: none;
}
main .back {
  padding-top: 75px;
  background-color: #fbfbfb;
}
main .back > div {
  display: flex;
  justify-content: space-evenly;
}
main .back > div .left_list ul {
  list-style: none;
}
main .back > div .left_list ul li {
  border-top: 1px solid #1296db;
  padding: 40px 115px 40px 20px;
  margin-bottom: 30px;
  box-shadow: 2px 2px 2px 2px #ececec;
}
main .back > div .left_list ul li > P {
  width: 1130px;
  margin: 50px 0;
}
main .back > div hr {
  border: 1px solid #ececec;
}
main .back > div .right_list ul {
  list-style: none;
}
main .back > div .right_list ul .list {
  border-top: 1px solid #1296db;
  padding: 35px 25px 50px 5px;
  box-shadow: 2px 2px 2px 2px #ececec;
  margin-bottom: 25px;
}
main .back > div .right_list ul .list > p {
  width: 360px;
}
main .back > div .right_list ul .list > div {
  display: flex;
  line-height: 50px;
  margin: 45px 0;
}
main .back > div .right_list ul .list > div img {
  width: 150px;
  margin-right: 20px;
}
main .back > div .right_list ul .list ul {
  list-style: none;
  margin-top: 45px;
}
main .back > div .right_list ul .list ul li {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid #ececec;
  line-height: 75px;
  padding: 15px 0;
}
main .back > div .right_list ul .list ul li img {
  height: 75px;
}
